1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
_AFQ >j <table border oncontextmenu=return(false)><td>no</table> 可用于Table
j~;;l!({i cHx%Nd\ 2. <body onselectstart="return false"> 取消选取、防止复制
JK]R*!{n ^W~p..DF 3. onpaste="return false" 不准粘贴
&(EHq j[I`\" 4. oncopy="return false;" oncut="return false;" 防止复制
T*?s@$)m4 V
A<5uk04K 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
FmEc`N9\v }bH$O% 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
z-dFDtiA -w1@!Sdd 7. <input style="ime-mode:-Disabled"> 关闭输入法
J'b<z.OW *O,H5lwU 8. 永远都会带着框架
{:Aw_z:' <script language="javascript"><!--
;}qhc l+ if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
`lO(s%HC // --></script>
)=J5\3O*x !v|FT.
T` 9. 防止被人frame
O}Hf62" <SCRIPT LANGUAGE=javascript><!--
fH\X if (top.location != self.location)top.location=self.location;
$=B8qZ+ // --></SCRIPT>
K=dR%c( sV/l5]b] 10. 网页将不能被另存为
N|mJg[j@7 <noscript><iframe src=*.html></iframe></noscript>
W3r?7!~ Kv37s0|g 11. <input type=button value=查看网页源代码
g:7,~}_}^ onclick="window.location = `view-source:`+
http://www.51js.com/`";>
7ER|'j UH?
p]4Nz 12.删除时确认
ljC(L/I <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
eSEq{?> FdzNE 除</a>
ST5V!jz -#In;~ 13. 取得控件的绝对位置
QzOkpewf //javascript
X
T[zj<&_ <script language="javascript">
.B72C[' c function getIE(E){
hB9Ee@ var t=e.offsetTop;
.pPm~2]z var l=e.offsetLeft;
p8}(kHUp( while(e=e.offsetParent){
QSw<%pcJE@ t+=e.offsetTop;
ht =P\E l+=e.offsetLeft;
!}f1`/ }
g13 rx%- alert("top="+t+"/nleft="+l);
mO*^1 }
#>[a{<;Kn </script>
q5x[~]? 5O<>mCF //VBScript
uR;gVO+QC <script language="VBScript"><!--
&<y2q/U} function getIE()
izgp*M, dim t,l,a,b
@{hd{>K* set a=document.all.img1
`F t]MR t=document.all.img1.offsetTop
~]HN9R^& l=document.all.img1.offsetLeft
5| B(\wqG while a.tagName<>"BODY"
5|QzU|gPn set a = a.offsetParent
ritBU:6 t=t+a.offsetTop
7F^#o-@=J l=l+a.offsetLeft
fu[K". wend
5cJ!" msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
WWKvh end function
Cx<0 H --></script>
l<g5yYyf 0 B@n{PvR0 14. 光标是停在文本框文字的最后
{q%Sx*k9[ <script language="javascript">
{@W93=Vq8 function cc()
/E;y,o75 {
ko;>#:: var e = event.srcElement;
=U8Ek;Drp var r =e.createTextRange();
);V2?G`/ r.moveStart(`character`,e.value.length);
S! Rc|6y% r.collapse(true);
{-3L IO r.select();
O7d$YB_' }
7hP<f}xL </script>
lot%N(mB` <input type=text name=text1 value="123" onfocus="cc()">
kIHDeo%K} <%.5hCTp97 15. 判断上一页的来源
VKp*9%9 javascript:
hc#!Lv document.referrer
vhbDb)J O.aG[wm8 16. 最小化、最大化、关闭窗口
cH'
iA. <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
-l~Z0U>^ <param name="Command" value="Minimize"></object>
W%<LTWOc <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
2. G=8:l <param name="Command" value="Maximize"></object>
b-ll <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
fmqb`% <PARAM NAME="Command" value="Close"></OBJECT>
v
^[39*8 F{06 _T <input type=button value=最小化 onclick=hh1.Click()>
{]_uMg#! <input type=button value=最大化 onclick=hh2.Click()>
[^CV>RuO <input type=button value=关闭 onclick=hh3.Click()>
[.se|]t7X 本例适用于IE
Od+6 -J PZxAH9 S? 17.屏蔽功能键Shift,Alt,Ctrl
<+MyZM(z> <script>
]i(-I <` function look(){
L`f^y;Y. if(event.shiftKey)
U,#yqER'r alert("禁止按Shift键!"; //可以换成ALT CTRL
> fnh+M }
x:-.+C% document.onkeydown=look;
Z4<L$i;/jN </script>
A?_ =K L86n}+
P\ 18. 网页不会被缓存
E )Gw0]G <META HTTP-EQUIV="pragma" CONTENT="no-cache">
O[tvR:Nh <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
Q!-
0xlx <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
P-F)%T[ 或者<META HTTP-EQUIV="expires" CONTENT="0">
W} WI; cI Lbe\@S 19.怎样让表单没有凹凸感?
.2d9?p3Y <input type=text style="border:1 solid #000000">
:w}{$v}#D; 或
T134ZXqqz <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
ojYbR<jn9 Xq'cA9v=$J 1 solid #000000"></textarea>
EA ]+vq Lg8nj< TF 20.<div><span>&<layer>的区别?
^`un'5Vk <div>(division)用来定义大段的页面元素,会产生转行
S$KFf=0 <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
>U F <layer>是ns的标记,ie不支持,相当于<div>
~wg:!VWA) QXCH(5as 21.让弹出窗口总是在最上面:
]7-&V-Ct* <body onblur="this.focus();">
Qt_dEl coYij 22.不要滚动条?
=*p/F 让竖条没有:
*8~86u GU <body style=`overflow:-Scroll;overflow-y:hidden`>
(c0A.L)
</body>
; ^t{Il'j 让横条没有:
N0hE4t <body style=`overflow:-Scroll;overflow-x:hidden`>
dJ$"l|$$ </body>
fXrXV~'8 两个都去掉?更简单了
d%l{V6 <body scroll="no">
^u3V
E </body>
OL4z%mDZi oIUy -| 23.怎样去掉图片链接点击后,图片周围的虚线?
{U&.D
[{& <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
74!oe u.> 8r3A~ 24.电子邮件处理提交表单
\fr-<5w7 9 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
hig2
<input type=submit>
KWLbD# </form>
X,9 M"E
2 v<Bynd- 25.在打开的子窗口刷新父窗口的代码里如何写?
/}-CvSR window.opener.location.reload()
^vG8#A}] 6e&>rq6C 26.如何设定打开页面的大小
>0Q|nCx <body onload="top.resizeTo(300,200);">
xf|mlHS+ 打开页面的位置<body onload="top.moveBy(300,200);">
wAnb
Di{W d)~Fmi; 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
>X*Mio8P# <style>
sz9L8f2 body
CI3XzH\IX* {background-image:url(logo.gif); background-repeat:no-repeat;
Z7 E bWOS `5 background-position:center;background-attachment: fixed}
qzb<J=FAU </style>
DTWD|M _X@v/sAy 28. 检查一段字符串是否全由数字组成
'\jd#Kn'h <script language="javascript"><!--
JxyB( function checkNum(str){return str.match(//D/)==null}
% YOndIS: alert(checkNum("1232142141"
T|tOTk alert(checkNum("123214214a1"
6e7{Iy // --></script>
)7_"wD`
z 'Ei;^Y 1e 29. 获得一个窗口的大小
fS^!ZPe1 document.body.clientWidth; document.body.clientHeight
Nj("|`9" Bn>8&w/P 30. 怎么判断是否是字符
`a9L%z if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
ZE%YXG else alert("全是字符";
=]k {"?j 7RZh<